• An EGR valve with a stepping motor has been adopted for optimum control according to engine operation conditions.
• For control of EGR system, refer to CONTROL SYSTEM, EGR CONTROL. (See EGR CONTROL OUTLINE [ZY, Z6], EGR CONTROL BLOCK DIAGRAM [ZY, Z6], EGR CONTROL OPERATION [ZY, Z6], EGR CONTROL OUTLINE [LF, L3], EGR CONTROL BLOCK DIAGRAM [LF, L3], EGR CONTROL OPERATION [LF, L3].)